(Chris Pizzello | Invision | The Associated Press) In this Aug. 9, 2017, file photo, Louis C.K., co-creator/writer/executive producer, participates in the "Better Things" panel during the FX Television Critics Association Summer Press Tour at the Beverly Hilton in Beverly Hills, Calif. Audio has emerged of Louis C.K. apparently mocking the students-turned-activists from the Parkland, Fla., school shooting. The sound-only recording was posted Sunday, Dec. 30, 2018, in a since-removed YouTube video that said it was from a Dec. 16 standup set at a Levittown, N.Y., comedy club.